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当然classpath是基础,已懂。
项目中在非classpath下建立不同环境的properties文件,右侧选择的哪个profile则在classpath下生成的所有配置文件用到的环境配置中的值都是右侧指定的profile的环境配置文件的。如果右侧没有选择任何profile,则使用的是pom.xml中配置为true的 profile来生成classpath下的配置文件,如果都为false的话则使用外层<properties> 下的<env>dev</env>指定的来生成。优先级:右侧,里properties,外properties
<properties><env>pre</env><ihhotel-version>1.0-SNAPSHOT</ihhotel-version><spring-version>4.2.7.RELEASE</spring-version><mybatis-version>3.4.1</mybatis-version><mybatis-spring-version>1.3.0</mybatis-spring-version><druid-version>1.0.11</druid-version><mysql-connection-version>5.1.24</mysql-connection-version><pagehelper-version>4.0.1</pagehelper-version>
</properties>
<build><filters><filter>src/main/filters/${env}.properties</filter>:路径必须有不然找不到配置文件</filters><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.1</version><configuration><source>1.7</source><target>1.7</target><encoding>UTF8</encoding></configuration></plugin></plugins><resources><resource><directory>src/main/resources</directory><filtering>true</filtering></resource></resources>
</build>
在pom.xml中配置false和true来选择是否默认激活:
<profiles><profile><id>dev</id><activation><activeByDefault>false</activeByDefault></activation><properties><env>dev</env></properties></profile><profile><id>jd-test</id><activation><activeByDefault>true</activeByDefault></activation><properties><env>jd-test</env></properties></profile><profile><id>pre</id><activation><activeByDefault>false</activeByDefault></activation><properties><env>pre</env></properties></profile><profile><id>prod</id><activation><activeByDefault>false</activeByDefault></activation><properties><env>prod</env></properties></profile>
</profiles>
<properties><env>jd-test</env><ihhotel-version>1.0-SNAPSHOT</ihhotel-version><spring-version>4.2.7.RELEASE</spring-version><mybatis-version>3.4.1</mybatis-version><mybatis-spring-version>1.3.0</mybatis-spring-version><druid-version>1.0.11</druid-version><mysql-connection-version>5.1.24</mysql-connection-version><pagehelper-version>4.0.1</pagehelper-version>
</properties><dependencies>
<build><filters><filter>src/main/filters/${env}.properties</filter></filters><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.1</version><configuration><source>1.7</source><target>1.7</target><encoding>UTF8</encoding></configuration></plugin></plugins><resources><resource><directory>src/main/resources</directory><filtering>true</filtering></resource></resources>
</build>
IDEA里右侧选择的话按它来,否则项目会根据pom中的<properties> <env>pre</env>来选择
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